Siemens Digital I/O Module SIMATIC S7-400 Digital 24V

View all PLC Accessories

Subtotal (1 unit)*

Kr. 7 852,42

(exc. VAT)

Kr. 9 815,52

(inc. VAT)

Add to Basket
Select or type quantity
Stocked by manufacturer
  • Ready to ship from 20 April 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +Kr. 7 852,42

*price indicative

RS Stock No.:
226-3995
Mfr. Part No.:
6ES7421-7DH00-0AB0
Brand:
Siemens
Find similar products by selecting one or more attributes.
Select all

Brand

Siemens

Product Type

Digital I/O Module

Module Type

Digital I/O Module

Input Type

Digital

Maximum Supply Voltage

24V

Number of I/Os

16

Width

25mm

Standards/Approvals

RoHS

Depth

210mm

Length

290mm

Series

SIMATIC S7-400

COO (Country of Origin):
DE
The Siemens SIMATIC S7-400 series digital input SM 421 has 16 digital input. It has 24 to 60V input voltage and 150mA current.

Input current 150mA

Number of digital inputs 16

Type of input voltage AC/DC

Isolation tested with 1500 V AC

Related links